Green Area = 175 / 2 = 87.5

Expression 22: "F" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline

equals

Expression 23: StartFraction, "J" Subscript, 2 , Baseline minus "F" Subscript, 2 , Baseline Over "J" Subscript, 1 , Baseline , EndFraction equals StartFraction, "H" Subscript, 2 , Baseline minus "G" Subscript, 2 , Baseline Over "J" Subscript, 1 , Baseline minus "H" Subscript, 1 , Baseline , EndFraction

Expression 24: "F" Subscript, 2 , Baseline equals "J" Subscript, 2 , Baseline minus StartFraction, "J" Subscript, 1 , Baseline left parenthesis, "H" Subscript, 2 , Baseline minus "G" Subscript, 2 , Baseline , right parenthesis Over "J" Subscript, 1 , Baseline minus "H" Subscript, 1 , Baseline , EndFraction

equals

Expression 25: "G" Subscript, 1 , Baseline equals "S" minus StartFraction, "s" Over 2 , EndFraction

equals

Expression 26: "G" Subscript, 2 , Baseline equals "S"

equals

Expression 27: "H" Subscript, 1 , Baseline equals "G" Subscript, 1 , Baseline

equals

Expression 28: "H" Subscript, 2 , Baseline equals 2 plus "S"

equals

Expression 29: "J" Subscript, 1 , Baseline equals "H" Subscript, 1 , Baseline plus "s"

equals

Expression 30: "J" Subscript, 2 , Baseline equals "H" Subscript, 2 , Baseline

equals

Expression 31: "K" Subscript, 1 , Baseline equals "J" Subscript, 1 , Baseline

equals

Expression 32: "K" Subscript, 2 , Baseline equals "J" Subscript, 2 , Baseline minus "s"

equals

Expression 33: "L" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline

equals

Expression 34: "L" Subscript, 2 , Baseline equals "K" Subscript, 2 , Baseline

equals

Expression 35: "M" Subscript, 1 , Baseline equals "G" Subscript, 1 , Baseline

equals

Expression 36: "M" Subscript, 2 , Baseline equals "K" Subscript, 2 , Baseline

equals

Graphs

Expression 38: "y" less than 50

Expression 39: 0 less than or equal to "y" less than or equal to "J" Subscript, 2 , Baseline left brace, "A" Subscript, 1 , Baseline less than or equal to "x" less than or equal to "J" Subscript, 1 , Baseline , right brace

Expression 40: 0 less than or equal to "y" less than or equal to "J" Subscript, 2 , Baseline left brace, "A" Subscript, 1 , Baseline less than or equal to "x" less than or equal to "J" Subscript, 1 , Baseline , right brace

Expression 41: polygon left parenthesis, "E" , "F" , "J" , right parenthesis

Expression 42: polygon left parenthesis, "A" , "F" , "J" , "K" , "M" , "H" , "J" , "E" , "F" , "B" , "C" , "D" , right parenthesis

Points